Publications (2004-2011)
(Updated on March 8, 2011)
[1] D. Lou and Q. L. Yu, Connectivity of
k-Extendable Graphs with Large k, Discrete Applied Math. 136(2004), 55-61. PDF
[2] D. Lou and Q. L. Yu, Sufficient conditions
for n-matchable graphs, Australasian Journal of Combinatorics, 29(2004), 127-133. PDF
[3] P. Wang and Q. L. Yu, On
the degree monotonicity of (n; k)-cage, Bulletin of
the
[4] M. Kano and Q. L. Yu, Pan-factorial property
in regular graphs, The
Electronic Journal of Combinatorics, 12(2005), #N23. PDF
[5] L. C. Zuo, Q. L.
Yu and J. L. Wu, Tree Coloring of Distance Graph with Real Interval Set, Applied Mathematics
Letters, 19(2006) 1341-1344. PDF
[6] Q. L. Yu and Z. Zhang, Extremal
properties of (1,f)-odd factor in graphs, Ars Combinatorics,
84(2007), 161-170. PDF
[7] G. Z. Liu and Q. L. Yu, On (n, k)-extendable
graphs and induced subgraphs, International
Mathematical Forum, 2, 23(2007), 1141 – 1148. PDF
[8] Z. M. Jin, H. F. Yan and Q. L. Yu,
Generalization of matching extensions in graphs (II), Discrete Applied Math. 155 (2007) 1267 – 1274. PDF
[9] Y. H. Ma and Q. L. Yu, Isolated
toughness and the existence of f-factors,
CJCDGCGT 2005, Lecture Notes on Computer
Science, Springer-Verlag Berlin Heidelberg, Vol.
4381 (2007), 120-129. PDF
[10] Y. J. Wu and Q. L. Yu, On uniform star-factors in
graphs of girth three, Australasian Journal of Combinatorics, Vol. 39 (2007), 155-161. PDF
[11] Q. L. Yu and L. C. Zuo, The fractional
vertex arboricity of graphs, CJCDGCGT 2005, Lecture
Notes on Computer Science, Springer-Verlag Berlin
Heidelberg, Vol. 4381 (2007), 245-252. PDF
[12] G. Z. Liu, L. Zhang and Q. L. Yu, Maximum fractional k-factors and
connected fractional 1-factors in graphs, Applied Math. Letters, 20(2007) 1237–1243. PDF
[13] Y. H. Ma and Q. L. Yu, Isolated toughness
of graphs and the existence of [a, b]-factors, J. of Combinatorial Mathematics
and Combinatorial Computing, 62 (2007) 147-157. PDF
[14] H. Lu, Y. Lin, Y. Wu and Q. L. Yu,
Super-vertex-connectivity of (4, g)-cage, LNCS, Proceeding of AWOCA07, LNCS
(2007), 221-226.
[15] G. Z. Liu and Q. L. Yu, Strongly pan-factorial property
in cages, Ars Combinatorics,
Vol. 87 (2008) 263-269. PDF
[16] B. G. Xu and Q.
L. Yu, A note on (3,1)-choosable toroidal
graphs, Utilitas Mathematica,
76(2008), 183-189. PDF
[17] Y. H. Duan, H. D.
Wu and Q. L. Yu, On graphs determined by chromatic and flow polynomials,
Discrete Applied Mathematics, 156(2008) 1300-1309. PDF
[18] T. Wang and Q. L. Yu, Vertex-coloring
13-edge-weighting in graphs, Front. Math. China, 3 (2008), 581-587. PDF
[19] T. Wang and Q. L. Yu, Factor-criticality in
3-dominating-critical graphs, Discrete Math. 309 (2009) 1079–1083. PDF
[20] Y. H. Duan, H. D.
Wu and Q. L. Yu, Twist wheel is Tutte-polynomial
unique, Discrete Math. 309 (2009) 926–936. PDF
[21] L. C. Zuo, Q. L.
Yu and J. L. Wu, Vertex arboricity of integer distance graph G(D_{m,k}), Discrete Math.
309 (2009) 1649-1657. PDF
[22] H. Lu, X. Yang and Q. L. Yu, A note on
vertex-coloring edge-weighting of graphs, Front. Math. China, 4 (2009) (2)
325-334. PDF
[23]
M. Kano, H. Lu and Q. L. Yu, Component factors with large components in graphs, Applied Math. Letters, 23 (2010) 385-389. PDF (printed version); PDF (updated version)
[24] T. Wang and Q. L. Yu, A conjecture on
k-factor-critical and 3-dominating-critical graphs, Science in China, Series A,
Vol. 53, No. 5, (2010), 1385-1391 PDF
[25] H. Lu, Y. Wu, Q. L. Yu and Y. Lin, New
improvements on connectivity of cages, Acta Mathematica Sinica, Vol. 26, No.
5 (2010). PDF
[26] Y. H. Ma and Q. L. Yu, On existence of [a, b]-factors avoiding given subgraphs, Ars Combinatorics, 96 (2010), 361-373. PDF
[27]
Z. Wu, X. Yang and Q. L. Yu, Note on graph minors and strong products, Applied
Math Letters, 23 (2010) 1178-1182. PDF
[28] T.
Wang and Q. L. Yu, Matching and factor-critical property in 3-dominating-critical
graphs, Utilitas Math., 83 (2010) 159-170. PDF
[29] B. Bai,
X. Huan and Q. L. Yu, On the extendability
of Cayley graphs on dicyclic
group, Utilitas Mathematica
(accepted). PDF
[30] H. Lu and Q. Yu, The general fractional f-factor numbers of graphs, Applied Mathematics Letters, 24(2011)
519-523. PDF
[31] H. Lu, Q. L. Yu and C. Q. Zhang, Vertex-coloring
2-edge-weighting of graphs, European J. Combin., 32
(2011) 21-27. PDF
[32] Y. J. Wu and Q. L. Yu,
Uniformly weighted star-factors of graphs, Ars Combinatorica
(accepted). PDF
[33] Y. H. Duan, T. Wang, B. G. Xu and Q. L.
Yu, On some properties of cages, Ars
Combinatorica (accepted). PDF
[34] H. Lu, Y. Wu, Q. L. Yu
and Y. Lin, On superconnectivity of (4,g)-cages with even girth, Networks (accepted). PDF
[35] B. Bai,
Z. Wu, X. Yang and Q. L. Yu, Lexicographic product of extendable graphs,
Bulletin of the Malaysian Mathematical Sciences Society, (accepted). PDF
[36] H. Lu and Q. L. Yu, Constructive proof of deficiency
theorem of (g, f)-factors, Science in
China Series A (accepted) PDF
[37]
M. Kano, Y. J. Wu and Q. L. Yu, Star-uniform graphs, Graphs and Combinatorics
(accepted) PDF
[38]
Y. H. Duan and Q. L. Yu, Double-twist wheel is Tutte-polynomial unique, Acta Mathematica
Scientia, Series A, (accepted). PDF
[39] T. Wang, Z. Wu and Q. L. Yu,
2-tough graphs and f-factors with given properties, Utilitas
Mathematica, (accepted). PDF
[40]
G. J. Chang, C. Lu, J. J. Wu and Q. L. Yu, {1, 2}-edge-weighting
vertex-coloring of regular bipartite graphs, Taiwanese Journal of Mathematics (accepted).
PDF
[41] Y. J. Wu and Q. Yu, A Characterization of Graphs
with γ = β, Bulletin of the Malaysian Mathematical Sciences Society (accepted) PDF
[42] B. Bai, H. Lu and Q. Yu, Generalization of matching extensions in graphs (III), Applied Discrete Math., (2011) DOI:10.1016/j.dam.2010.12.024. PDF
[43] Z. Wu, X. Yang and
Q. L. Yu, On the strong product of an
m-factor-critical and an n-factor-critical
graphs, Inter Journal of Computer Math. (accepted) PDF
[44] Z. F. Wu, G. Z. Liu
and Q. Yu, Toughness of graphs and [a, b]-factor with prescribed properties,
Science China (A) (accepted) PDF
Submitted
Work (2010)
[1] Z. Wu, X. Yang and Q. L. Yu, Factor-criticality of
Cartesian products, Graphs
and Combinatorics (submitted).
[2] X. Huan, H. Lu and Q. L. Yu,
Threshold function for 1-extendable graphs and bricks, Applied
Discrete Math (submitted).
[3] H. Lu, Y. Wu, Y.
Lin, Q. L. Yu, C. Balbuena, X. Marcote, On superconnectivity of (4,g)-cages: the case of odd g, Graphs and Combinatorics
(submitted).
[4] M. D. Plummer, T. Wang
and Q. L. Yu, Matching extension and cyclic connectivity, Graphs and Combinatorics
(submitted).
[5] Y.
Duan, H. Lu and Q. L. Yu, L-factors and adjacent
vertex-distinguishing edge-weighting, Frontier Math. in
[6] X. Huan, H. Lu and Q. L. Yu, Threshold for k-factor-critical
graphs and k-extendable bipartite graphs, ANZIAM Journal (submitted).
[7] T.
Wang, P. Wang and Q. L. Yu, Extremal property of
diameter critical graphs, Utilitas Math. (submitted).
[8] T. Wang and Q. L.
Yu, A note on the matching extendability of surfaces,
Front. Math.
[9] H. Lu and Q. L. Yu,
An alternative proof of H-factor theorem, Combinatorica, (submitted).